Paintbrush handle



FIG. 1 is a top plan view of a paintbrush handle showing my new design, the bottom plan view thereof being substantially identical;

FIG. 2 is a side elevational view thereof, the other side being substantially identical;

FIG. 3 is an elevational view of one end thereof; and

FIG. 4 is an elevational view of the other end thereof. 

The ornamental design for a paintbrush handle, as shown and described. 